meson: move summary to meson.build

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/meson.build b/meson.build
index 5ad85a7..c47cd74 100644
--- a/meson.build
+++ b/meson.build
@@ -28,3 +28,248 @@
 configure_file(input: files('scripts/ninjatool.py'),
                output: 'ninjatool',
                configuration: config_host)
+
+supported_oses = ['windows', 'freebsd', 'netbsd', 'openbsd', 'darwin', 'sunos', 'linux']
+supported_cpus = ['ppc', 'ppc64', 's390x', 'sparc64', 'riscv32', 'riscv64', 'x86', 'x86_64',
+  'arm', 'aarch64', 'mips', 'mips64', 'sparc', 'sparc64']
+
+cpu = host_machine.cpu_family()
+targetos = host_machine.system()
+
+summary_info = {}
+summary_info += {'Install prefix':    config_host['prefix']}
+summary_info += {'BIOS directory':    config_host['qemu_datadir']}
+summary_info += {'firmware path':     config_host['qemu_firmwarepath']}
+summary_info += {'binary directory':  config_host['bindir']}
+summary_info += {'library directory': config_host['libdir']}
+summary_info += {'module directory':  config_host['qemu_moddir']}
+summary_info += {'libexec directory': config_host['libexecdir']}
+summary_info += {'include directory': config_host['includedir']}
+summary_info += {'config directory':  config_host['sysconfdir']}
+if targetos != 'windows'
+  summary_info += {'local state directory': config_host['qemu_localstatedir']}
+  summary_info += {'Manual directory':      config_host['mandir']}
+else
+  summary_info += {'local state directory': 'queried at runtime'}
+endif
+summary_info += {'Build directory':   meson.current_build_dir()}
+summary_info += {'Source path':       meson.current_source_dir()}
+summary_info += {'GIT binary':        config_host['GIT']}
+summary_info += {'GIT submodules':    config_host['GIT_SUBMODULES']}
+summary_info += {'C compiler':        meson.get_compiler('c').cmd_array()[0]}
+summary_info += {'Host C compiler':   meson.get_compiler('c', native: true).cmd_array()[0]}
+if link_language == 'cpp'
+  summary_info += {'C++ compiler':      meson.get_compiler('cpp').cmd_array()[0]}
+else
+  summary_info += {'C++ compiler':      false}
+endif
+if targetos == 'darwin'
+  summary_info += {'Objective-C compiler': meson.get_compiler('objc').cmd_array()[0]}
+endif
+summary_info += {'ARFLAGS':           config_host['ARFLAGS']}
+summary_info += {'CFLAGS':            config_host['CFLAGS']}
+summary_info += {'QEMU_CFLAGS':       config_host['QEMU_CFLAGS']}
+summary_info += {'QEMU_LDFLAGS':      config_host['QEMU_LDFLAGS']}
+summary_info += {'make':              config_host['MAKE']}
+summary_info += {'install':           config_host['INSTALL']}
+summary_info += {'python':            '@0@ (version: @1@)'.format(python.full_path(), python.language_version())}
+summary_info += {'sphinx-build':      config_host['SPHINX_BUILD']}
+summary_info += {'genisoimage':       config_host['GENISOIMAGE']}
+# TODO: add back version
+summary_info += {'slirp support':     config_host.has_key('CONFIG_SLIRP')}
+if config_host.has_key('CONFIG_SLIRP')
+  summary_info += {'smbd':            config_host['CONFIG_SMBD_COMMAND']}
+endif
+summary_info += {'module support':    config_host.has_key('CONFIG_MODULES')}
+if config_host.has_key('CONFIG_MODULES')
+  summary_info += {'alternative module path': config_host.has_key('CONFIG_MODULE_UPGRADES')}
+endif
+summary_info += {'host CPU':          cpu}
+summary_info += {'host endianness':   build_machine.endian()}
+summary_info += {'target list':       config_host['TARGET_DIRS']}
+summary_info += {'gprof enabled':     config_host.has_key('CONFIG_GPROF')}
+summary_info += {'sparse enabled':    meson.get_compiler('c').cmd_array().contains('cgcc')}
+summary_info += {'strip binaries':    get_option('strip')}
+summary_info += {'profiler':          config_host.has_key('CONFIG_PROFILER')}
+summary_info += {'static build':      config_host.has_key('CONFIG_TOOLS')}
+if targetos == 'darwin'
+  summary_info += {'Cocoa support': config_host.has_key('CONFIG_COCOA')}
+endif
+# TODO: add back version
+summary_info += {'SDL support':       config_host.has_key('CONFIG_SDL')}
+summary_info += {'SDL image support': config_host.has_key('CONFIG_SDL_IMAGE')}
+# TODO: add back version
+summary_info += {'GTK support':       config_host.has_key('CONFIG_GTK')}
+summary_info += {'GTK GL support':    config_host.has_key('CONFIG_GTK_GL')}
+# TODO: add back version
+summary_info += {'VTE support':       config_host.has_key('CONFIG_VTE')}
+summary_info += {'TLS priority':      config_host['CONFIG_TLS_PRIORITY']}
+summary_info += {'GNUTLS support':    config_host.has_key('CONFIG_GNUTLS')}
+# TODO: add back version
+summary_info += {'libgcrypt':         config_host.has_key('CONFIG_GCRYPT')}
+if config_host.has_key('CONFIG_GCRYPT')
+   summary_info += {'  hmac':            config_host.has_key('CONFIG_GCRYPT_HMAC')}
+   summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
+endif
+# TODO: add back version
+summary_info += {'nettle':            config_host.has_key('CONFIG_NETTLE')}
+if config_host.has_key('CONFIG_NETTLE')
+   summary_info += {'  XTS':             not config_host.has_key('CONFIG_QEMU_PRIVATE_XTS')}
+endif
+summary_info += {'libtasn1':          config_host.has_key('CONFIG_TASN1')}
+summary_info += {'PAM':               config_host.has_key('CONFIG_AUTH_PAM')}
+summary_info += {'iconv support':     config_host.has_key('CONFIG_ICONV')}
+summary_info += {'curses support':    config_host.has_key('CONFIG_CURSES')}
+# TODO: add back version
+summary_info += {'virgl support':     config_host.has_key('CONFIG_VIRGL')}
+summary_info += {'curl support':      config_host.has_key('CONFIG_CURL')}
+summary_info += {'mingw32 support':   targetos == 'windows'}
+summary_info += {'Audio drivers':     config_host['CONFIG_AUDIO_DRIVERS']}
+summary_info += {'Block whitelist (rw)': config_host['CONFIG_BDRV_RW_WHITELIST']}
+summary_info += {'Block whitelist (ro)': config_host['CONFIG_BDRV_RO_WHITELIST']}
+summary_info += {'VirtFS support':    config_host.has_key('CONFIG_VIRTFS')}
+summary_info += {'Multipath support': config_host.has_key('CONFIG_MPATH')}
+summary_info += {'VNC support':       config_host.has_key('CONFIG_VNC')}
+if config_host.has_key('CONFIG_VNC')
+  summary_info += {'VNC SASL support':  config_host.has_key('CONFIG_VNC_SASL')}
+  summary_info += {'VNC JPEG support':  config_host.has_key('CONFIG_VNC_JPEG')}
+  summary_info += {'VNC PNG support':   config_host.has_key('CONFIG_VNC_PNG')}
+endif
+summary_info += {'xen support':       config_host.has_key('CONFIG_XEN_BACKEND')}
+if config_host.has_key('CONFIG_XEN_BACKEND')
+  summary_info += {'xen ctrl version':  config_host['CONFIG_XEN_CTRL_INTERFACE_VERSION']}
+endif
+summary_info += {'brlapi support':    config_host.has_key('CONFIG_BRLAPI')}
+summary_info += {'Documentation':     config_host.has_key('BUILD_DOCS')}
+summary_info += {'PIE':               get_option('b_pie')}
+summary_info += {'vde support':       config_host.has_key('CONFIG_VDE')}
+summary_info += {'netmap support':    config_host.has_key('CONFIG_NETMAP')}
+summary_info += {'Linux AIO support': config_host.has_key('CONFIG_LINUX_AIO')}
+summary_info += {'Linux io_uring support': config_host.has_key('CONFIG_LINUX_IO_URING')}
+summary_info += {'ATTR/XATTR support': config_host.has_key('CONFIG_ATTR')}
+summary_info += {'Install blobs':     config_host.has_key('INSTALL_BLOBS')}
+# TODO: add back KVM/HAX/HVF/WHPX/TCG
+#summary_info += {'KVM support':       have_kvm'}
+#summary_info += {'HAX support':       have_hax'}
+#summary_info += {'HVF support':       have_hvf'}
+#summary_info += {'WHPX support':      have_whpx'}
+#summary_info += {'TCG support':       have_tcg'}
+#if get_option('tcg')
+#  summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')}
+#  summary_info += {'TCG interpreter':   config_host.has_key('CONFIG_TCG_INTERPRETER')}
+#endif
+summary_info += {'malloc trim support': config_host.has_key('CONFIG_MALLOC_TRIM')}
+summary_info += {'RDMA support':      config_host.has_key('CONFIG_RDMA')}
+summary_info += {'PVRDMA support':    config_host.has_key('CONFIG_PVRDMA')}
+summary_info += {'fdt support':       config_host.has_key('CONFIG_FDT')}
+summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
+summary_info += {'preadv support':    config_host.has_key('CONFIG_PREADV')}
+summary_info += {'fdatasync':         config_host.has_key('CONFIG_FDATASYNC')}
+summary_info += {'madvise':           config_host.has_key('CONFIG_MADVISE')}
+summary_info += {'posix_madvise':     config_host.has_key('CONFIG_POSIX_MADVISE')}
+summary_info += {'posix_memalign':    config_host.has_key('CONFIG_POSIX_MEMALIGN')}
+summary_info += {'libcap-ng support': config_host.has_key('CONFIG_LIBCAP_NG')}
+summary_info += {'vhost-net support': config_host.has_key('CONFIG_VHOST_NET')}
+summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPTO')}
+summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
+summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
+summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_KERNEL')}
+summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
+summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
+summary_info += {'Trace backends':    config_host['TRACE_BACKENDS']}
+if config_host['TRACE_BACKENDS'].split().contains('simple')
+  summary_info += {'Trace output file': config_host['CONFIG_TRACE_FILE'] + '-<pid>'}
+endif
+# TODO: add back protocol and server version
+summary_info += {'spice support':     config_host.has_key('CONFIG_SPICE')}
+summary_info += {'rbd support':       config_host.has_key('CONFIG_RBD')}
+summary_info += {'xfsctl support':    config_host.has_key('CONFIG_XFS')}
+summary_info += {'smartcard support': config_host.has_key('CONFIG_SMARTCARD')}
+summary_info += {'libusb':            config_host.has_key('CONFIG_USB_LIBUSB')}
+summary_info += {'usb net redir':     config_host.has_key('CONFIG_USB_REDIR')}
+summary_info += {'OpenGL support':    config_host.has_key('CONFIG_OPENGL')}
+summary_info += {'OpenGL dmabufs':    config_host.has_key('CONFIG_OPENGL_DMABUF')}
+summary_info += {'libiscsi support':  config_host.has_key('CONFIG_LIBISCSI')}
+summary_info += {'libnfs support':    config_host.has_key('CONFIG_LIBNFS')}
+summary_info += {'build guest agent': config_host.has_key('CONFIG_GUEST_AGENT')}
+if targetos == 'windows'
+  if 'WIN_SDK' in config_host
+    summary_info += {'Windows SDK':       config_host['WIN_SDK']}
+  endif
+  summary_info += {'QGA VSS support':   config_host.has_key('CONFIG_QGA_VSS')}
+  summary_info += {'QGA w32 disk info': config_host.has_key('CONFIG_QGA_NTDDSCSI')}
+  summary_info += {'QGA MSI support':   config_host.has_key('CONFIG_QGA_MSI_ENABLED')}
+endif
+summary_info += {'seccomp support':   config_host.has_key('CONFIG_SECCOMP')}
+summary_info += {'coroutine backend': config_host['CONFIG_COROUTINE_BACKEND']}
+summary_info += {'coroutine pool':    config_host['CONFIG_COROUTINE_POOL'] == '1'}
+summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
+summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
+summary_info += {'crypto afalg':      config_host.has_key('CONFIG_AF_ALG')}
+summary_info += {'GlusterFS support': config_host.has_key('CONFIG_GLUSTERFS')}
+summary_info += {'gcov':              config_host.has_key('CONFIG_GCOV')}
+summary_info += {'TPM support':       config_host.has_key('CONFIG_TPM')}
+summary_info += {'libssh support':    config_host.has_key('CONFIG_LIBSSH')}
+summary_info += {'QOM debugging':     config_host.has_key('CONFIG_QOM_CAST_DEBUG')}
+summary_info += {'Live block migration': config_host.has_key('CONFIG_LIVE_BLOCK_MIGRATION')}
+summary_info += {'lzo support':       config_host.has_key('CONFIG_LZO')}
+summary_info += {'snappy support':    config_host.has_key('CONFIG_SNAPPY')}
+summary_info += {'bzip2 support':     config_host.has_key('CONFIG_BZIP2')}
+summary_info += {'lzfse support':     config_host.has_key('CONFIG_LZFSE')}
+summary_info += {'zstd support':      config_host.has_key('CONFIG_ZSTD')}
+summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')}
+summary_info += {'libxml2':           config_host.has_key('CONFIG_LIBXML2')}
+summary_info += {'tcmalloc support':  config_host.has_key('CONFIG_TCMALLOC')}
+summary_info += {'jemalloc support':  config_host.has_key('CONFIG_JEMALLOC')}
+summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')}
+summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')}
+summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')}
+summary_info += {'bochs support':     config_host.has_key('CONFIG_BOCHS')}
+summary_info += {'cloop support':     config_host.has_key('CONFIG_CLOOP')}
+summary_info += {'dmg support':       config_host.has_key('CONFIG_DMG')}
+summary_info += {'qcow v1 support':   config_host.has_key('CONFIG_QCOW1')}
+summary_info += {'vdi support':       config_host.has_key('CONFIG_VDI')}
+summary_info += {'vvfat support':     config_host.has_key('CONFIG_VVFAT')}
+summary_info += {'qed support':       config_host.has_key('CONFIG_QED')}
+summary_info += {'parallels support': config_host.has_key('CONFIG_PARALLELS')}
+summary_info += {'sheepdog support':  config_host.has_key('CONFIG_SHEEPDOG')}
+summary_info += {'capstone':          config_host.has_key('CONFIG_CAPSTONE')}
+summary_info += {'libpmem support':   config_host.has_key('CONFIG_LIBPMEM')}
+summary_info += {'libdaxctl support': config_host.has_key('CONFIG_LIBDAXCTL')}
+summary_info += {'libudev':           config_host.has_key('CONFIG_LIBUDEV')}
+summary_info += {'default devices':   config_host['CONFIG_MINIKCONF_MODE'] == '--defconfig'}
+summary_info += {'plugin support':    config_host.has_key('CONFIG_PLUGIN')}
+summary_info += {'fuzzing support':   config_host.has_key('CONFIG_FUZZ')}
+if config_host.has_key('HAVE_GDB_BIN')
+  summary_info += {'gdb':             config_host['HAVE_GDB_BIN']}
+endif
+summary_info += {'thread sanitizer':  config_host.has_key('CONFIG_TSAN')}
+summary_info += {'rng-none':          config_host.has_key('CONFIG_RNG_NONE')}
+summary_info += {'Linux keyring':     config_host.has_key('CONFIG_SECRET_KEYRING')}
+summary(summary_info, bool_yn: true)
+
+if not supported_cpus.contains(cpu)
+  message()
+  warning('SUPPORT FOR THIS HOST CPU WILL GO AWAY IN FUTURE RELEASES!')
+  message()
+  message('CPU host architecture ' + cpu + ' support is not currently maintained.')
+  message('The QEMU project intends to remove support for this host CPU in')
+  message('a future release if nobody volunteers to maintain it and to')
+  message('provide a build host for our continuous integration setup.')
+  message('configure has succeeded and you can continue to build, but')
+  message('if you care about QEMU on this platform you should contact')
+  message('us upstream at qemu-devel@nongnu.org.')
+endif
+
+if not supported_oses.contains(targetos)
+  message()
+  warning('WARNING: SUPPORT FOR THIS HOST OS WILL GO AWAY IN FUTURE RELEASES!')
+  message()
+  message('Host OS ' + targetos + 'support is not currently maintained.')
+  message('The QEMU project intends to remove support for this host OS in')
+  message('a future release if nobody volunteers to maintain it and to')
+  message('provide a build host for our continuous integration setup.')
+  message('configure has succeeded and you can continue to build, but')
+  message('if you care about QEMU on this platform you should contact')
+  message('us upstream at qemu-devel@nongnu.org.')
+endif